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HPC@Green IT: Green High Performance Computing Methods

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The authors present methods to reduce computer energy consumption by means of a better usage of a specific set of resources and maximizing the efficiency of the running applications. The processor frequency is adjusted to the needs of the running job, leading to a power drop by a factor of 2 and doubling battery life time of laptops. It is shown how computer resources can be optimally adapted to application needs, reducing job run time. Examples on how to optimize algorithms on single node and parallel RISC architectures are discussed. The job-related data are stored and reused to help computer managers to replace machines.

Making the most efficient use of computer systems has rapidly become a leading topic of interest for the computer industry and its customers alike. However, the focus of these discussions is often on single, isolated, and specific architectural and technological improvements for power reduction and conservation, while ignoring the fact that power efficiency as a ratio of performance to power consumption is equally influenced by performance improvements and architectural power reduction. Furthermore, efficiency can be influenced on all levels of today’s system hierarchies from single cores all the way to distributed Grid environments. To improve execution and power efficiency requires progress in such diverse fields as program optimization, optimization of program scheduling, and power reduction of idling system components for all levels of the system hierarchy.

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SONAR 3 Power!
SONAR 3 Power!
An excellent resource for musicians who want to begin creating, recording, and producing immediately using the newest version of SONAR. This book covers major features like editing and playing music, and it delves into lesser-known aspects such as audio mixing and automation, creating sheet music, composing with loops, DX (software synthesis)...
Microsoft Windows XP: Simply Visual
Microsoft Windows XP: Simply Visual
Learning How to Use Windows XP Has Never Been Easier!

This highly illustrated introduction to the latest release of Windows XP is packed with easy-to-follow lessons that make learning simple. Just follow the screens and instructions, step by step, and you'll understand the most essential and
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The Switching Function: Analysis of Power Electronic Circuits (Circuits, Devices and Systems)
The Switching Function: Analysis of Power Electronic Circuits (Circuits, Devices and Systems)

This book demonstrates the usefulness of the switching function in analysing power electronic circuits in the steady state. It includes analysis of generic circuits of power electronics using the switching function, and derives compact expressions for output voltage and current and input current. Further coverage includes frequency spectrums...


Maximum Muscle, Minimum Fat: The Secret Science Behind Physical Transformation
Maximum Muscle, Minimum Fat: The Secret Science Behind Physical Transformation

Diet and fitness books appear at a dizzying rate – and with a wealth of dubious claims – in a culture facing increasing health problems based on a sedentary lifestyle. Ori Hofmekler’s Maximum Muscle, Minimum Fat pulls out of the pack by focusing on the biological principles that dictate muscle gain and fat loss....

Managing Projects Well
Managing Projects Well

Few people realise how many projects people actually manage. Or how many of the theoretical approaches to Project Management do not meet the test of the real world.

This intensive look at Project Management teaches people what they need to know to lead, or be a member of, a project team. Most Project
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iOS Game Development By Example
iOS Game Development By Example

Learn how to develop an ace game for your iOS device, using Sprite Kit

About This Book

  • Learn about the Sprite Kit engine and create games on the iOS platform from the ground up
  • Acquaint your Sprite Kit knowledge with Swift programming and turn your 2D game conceptualization into reality...
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